Science

However, it becomes dull upon contact with ozone, hydrogen sulfide, and air polluted with sulfur compounds. Silver halides slowly decompose when exposed to light.

This is because the Northern Hemisphere accounts for 68 percent of all landmass. It is estimated that in the future up to 90 percent of the population may live in this part of the globe.

If the collision is with nitrogen, we see the color purple and maroon. Collision with oxygen gives g ...

The most valuable mushrooms are the white truffles. For a 1.5 kg specimen was paid 330,000$.

Silver is the only catalyst that allows the conversion of ethylene into ethylene oxide, which then undergoes hydrolysis to produce ethylene glycol, used to produce polyester.

The resolution of the telescopes does not make it possible to capture an image of this phenomenon, but the emission of radio waves accompanying the aurora can be detected using radio telescopes.

As hydrogen deposits in the solar core decrease, the star's brightness is expected to increase. In j ...

On its surface, there are both geologically young areas and much older, darker, and covered with many craters.